(19)

(11)

EP 3 990 587 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20742375.7 (22) Date of filing: 07.07.2020

(51) International Patent Classification (IPC):  C10L 10/06(2006.01) C10L 10/18(2006.01) C11D 7/26(2006.01) C11D 11/00(2006.01) C10L 1/02(2006.01) C11D 7/24(2006.01) C11D 7/50(2006.01) (52) Cooperative Patent Classification (CPC): C11D 11/0041; C10L 1/02; C10L 2200/0254; C10L 2200/0415; C10L 2200/0453; C10L 2200/043; C10L 2200/04; C10L 10/06; C10L 10/18; C11D 7/24; C11D 7/247; C11D 7/261; C11D 7/264; C11D 7/266; C11D 7/5027; C10L 1/14; C10L 1/1608; C10L 1/1616; C10L 1/19; C10L 1/1824; C10L 1/1857; C10L 2230/083 (86) International application number: PCT/GB2020/051631 (87) International publication number: WO 2021/005359 (14.01.2021 Gazette 2021/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 08.07.2019 GB 201909768 (71) Applicant: Cataclean Global Ltd Liverpool L5 9RJ (GB)	(72) Inventors: COLLIER, Harold Hapton Burnley BB11 5ST (GB) LEIGH, Antony Hapton Burnley BB11 5ST (GB) (74) Representative: Swindell & Pearson Limited  48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)